const fs = require('fs');
const child_process = require('child_process');

for(var i = 0; i<3; i++){
    var workerProcess = child_process.spawn('node', ['support.js', i]);

    workerProcess.stdout.on('data', function (data){
        console.log('stdout: ' + data);
    });

    workerProcess.stderr.on('data', function (data){
        console.log('stderr: ' + data);
    });

    workerProcess.on('close', function (code) {
        console.log('子进程已退出，退出码:' + code);
    });
}